The license does not have anything to do with the site being slow. On your latest response, you said you even changed the theme and the problem is there? If that is the case then it surely is not related even to our product.
As soon as you change the theme to another one the whole code base of themeco will go away and if you still have problems this is originated from other place and not the theme.
Please do check these steps one by one:
- Deactivate All 3rd Party Plugins
- Change the Theme from Child Theme to Parent Theme
- Change the Theme to Something other than X
Give us the result at the end of each step. Please kindly consider that you should not seek for problems within the X as if that was the case the forum here should've to explode regarding this huge problem. This is 100% a case related to your environment and you need to track it down.
I also see that there is a site which initiates some scripts that seem to be a malware: